This Chicago Metallic 3 piece set includes 1 large nonstick jelly roll pan, 1 nonstick silicone baking Mat, and 1 nonstick cooling/baking rack. Perfect set for one-pan meals; all parts oven safe up to 450 degrees Fahrenheit. Prep, bake, crisp, cool; mix and match these 3 essential items for each step of your recipe. Jelly roll pan exterior measures 17. 8 x 13 x 1 inches, silicone mat measures 16. 5 x 11. 6 inches, and cooling/baking rack measures 16. 75 x 11. 65 x. 5 inches. Hand-wash recommended to extend product life.